66322640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 162846720

約数和(自身を除く): 96524080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 569, 620, 752, 940, 1138, 1240, 1457, 1880, 2276, 2480, 2845, 2914, 3760, 4552, 5690, 5828, 7285, 9104, 11380, 11656, 14570, 17639, 22760, 23312, 26743, 29140, 35278, 45520, 53486, 58280, 70556, 88195, 106972, 116560, 133715, 141112, 176390, 213944, 267430, 282224, 352780, 427888, 534860, 705560, 829033, 1069720, 1411120, 1658066, 2139440, 3316132, 4145165, 6632264, 8290330, 13264528, 16580660, 33161320, 66322640]

約数ペア:

[(1, 66322640), (2, 33161320), (4, 16580660), (5, 13264528), (8, 8290330), (10, 6632264), (16, 4145165), (20, 3316132), (31, 2139440), (40, 1658066), (47, 1411120), (62, 1069720), (80, 829033), (94, 705560), (124, 534860), (155, 427888), (188, 352780), (235, 282224), (248, 267430), (310, 213944), (376, 176390), (470, 141112), (496, 133715), (569, 116560), (620, 106972), (752, 88195), (940, 70556), (1138, 58280), (1240, 53486), (1457, 45520), (1880, 35278), (2276, 29140), (2480, 26743), (2845, 23312), (2914, 22760), (3760, 17639), (4552, 14570), (5690, 11656), (5828, 11380), (7285, 9104)]